SL999
“Match airmail cards, fly a biplane, sort parcels and catch supply drops.” the developer's tagline
SL999 came out 9 days ago. It is a niche app, with 3 installs. It doesn't have enough ratings yet to judge what users think.
SL999 is made and published by Stone Developers. AppBrain is an independent app data site and isn't affiliated with Stone Developers. The app name, icon, screenshots and description belong to Stone Developers and are shown as published on Google Play.
About SL999
SL999 is a casual app developed by Stone Developers.
Install Statistics
SL999 has been installed 3 times. In the last 30 days, the app was installed 2 times.
User Ratings
The app has no ratings yet.
App Information
SL999 is freely available from Google Play. The app size is 30.18 MB. The latest version available is 1.0. The last update was on October 12, 2026.
Technical Requirements
The app has a content rating of Low Maturity. The app has been available on Google Play since October 2026.
More data about SL999
| Price | Free |
| Total installs | 3 |
| Recent installs | 2 |
| Rating | No ratings |
| Ranking | Not ranked |
| Version | 1.0 |
| App size | 30.2 MB |
| Number of libraries | ? |
| Maturity | Low Maturity |
| Ads | No ads |
App Performance Report
Get a detailed PDF report for SL999 with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Screenshots
Changelog of SL999
Developer information for Stone Developers
Comments on SL999 for Android
We don't have enough comments to show example comments. Please check back later.